The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2007
Filed:
Mar. 17, 2006
Applicants:
Wendell E. Mast, Dundee, OH (US);
Joseph P. Nuzzi, Dover, OH (US);
Inventors:
Wendell E. Mast, Dundee, OH (US);
Joseph P. Nuzzi, Dover, OH (US);
Assignee:
Allied Machine & Engineering Corp., Dover, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spade drill insert and drilling tool assembly is provided wherein the spade drill insert body comprises curved cutting edges and a lip groove having a trough substantially parallel to a plane formed through each adjacent curved cutting edge, which provides a significant improvement in chip formation during cutting operations.